requests.test12 = {
    "requests" : {
        "requests" : [{
                "getData" : {
                    "source" : "DsRestAPI_Test_DataSource",
                    "element" : "EntityGroups",
                    "params" : [],
                    "children" : []
                }
            }
        ]
    }
}

descriptions.test12 = "Invalid getData, double requests fields."